Superhero name with O

• Odin

  Marvel god character from Asgard

• Optimus Prime

  Leader of Autobots from Transformers

• Oblivion

  Marvel cosmic entity

• Omniman

  Hero from Invincible series

• Orion

  DC New God superhero

• One punch man

  Anime hero with unbeatable punch

• Oracle

  DC hero identity of Barbara Gordon

• Octoman

  Lesser-known comic book superhero

• oliver queen

  Real name of DC’s Green Arrow

• Obliterator

  Marvel alien character

• Omega

  A superhero alias used by multiple comic characters, including Omega the Unknown.

• Octavius

  Marvel villain Doctor Octopus’s real name

• Otto Octavius

  Doctor Octopus’ real name in Marvel’s Spider-Man.

• Okoye

  Marvel hero from Black Panther's Dora Milaje.

• Omega Red

  Marvel supervillain from X-Men; widely known name.

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• Ozymandias

  Watchmen character (DC); a known superhero alias.

• owl man

  DC’s Owlman is a dark mirror of Batman.

• Omega Man

  DC’s Omega Man from the Omega Men team.

• Osiris

  Yes! Osiris is a DC Comics hero.

• Owlette

  Yes! Owlette is a hero from PJ Masks.

• Orpheus

  Yes! DC Comics vigilante named Orpheus.

• Onyx

  Yes! Onyx is a DC Comics superheroine.

• omen

  Yes! Omen is a DC Comics superheroine.

• Onslaught

  Marvel villain, huge psychic foe of the X‑Men

• optimus

  Optimus is the heroic leader of the Autobots 🤖

• Orphan

  Yes! DC Comics hero codename for Cassandra Cain.

• Osmosis jones

  Animated hero from Osmosis Jones—counts!

• Obsidian

  DC superhero from Infinity Inc.—valid pick!

• octo-man

  Octo-Man is a comic-style octopus hero name

• Orca

  Orca is a DC Comics supervillain who fights Aquaman.

• Opal

  Opal from Steven Universe is a heroic, powered character

• Odinson

  Yes! Used for Thor in Marvel, so it counts.

• oli

The words in the list Superhero name with O come from players of the word game Categories game.